31 October 2014 Determination of multi-pulse damage thresholds from crater size measurements
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Abstract
A well-known method for the determination of the threshold fluence for laser-induced damage (LIDT) and ablation with single laser pulses is the measurement of the ablated crater area as a function of incident fluence and extrapolation to zero crater area. In this paper, we introduce a general incubation model for a large class of materials, for example dielectric materials and metals, and we compare it to experimental data. We conclude that multi-pulse LIDT measurements can also be based on crater size measurements similar to 1-on-1 damage tests if the incubation does not involve coupling between spatial and temporal processes.
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Matthias Lenzner, Matthias Lenzner, Zhanliang Sun, Zhanliang Sun, Wolfgang Rudolph, Wolfgang Rudolph, } "Determination of multi-pulse damage thresholds from crater size measurements", Proc. SPIE 9237, Laser-Induced Damage in Optical Materials: 2014, 923714 (31 October 2014); doi: 10.1117/12.2070252; https://doi.org/10.1117/12.2070252
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